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UNITED STATES PATENT EEICEQI STOVEv-Pl PE DRUM. I

Specication forming part of Letters Patent No. 53,789, dated April 10, 1866.

To all whom 'it may concern:

Be it known that I, T. R. COOK, of Saratoga Springs, in the county of Saratoga and State ot' New York, have invented certain new and useful Improvements in Radiators; and I do hereby declare that the following is a full, clear, and exact description thereof', reference being had to the accompanying drawings,

making part ot' this specification, and to the letters ot' ret'erence marked thereon, like letters indicating` like parts wherever they occur.

To enable others skilled in the artto construct and use the invention, I will proceed to describe it.

Figure l is a vertical section, and Fig. 2 is a side elevation with a portion ot' the casing broken away.

My invention consists in a novel arrangement of ilues for the passage ot' the smoke and heat, for the purpose ot' retarding the same until the heat which usually passes ott' with the smoke in ordinary stove-pipes shall be radiated and thus utilized in heating the apartment.

In the drawings, A represents the outer casing, which in this caseis represented in the form ot' two cones united at their base. \Vitl1 in this case I secure a conical tube, B, which has its lower end attached to the lower portion of the outer case, A, as shown in Fig. l. Another conical tube, C, is placed over the tube B, in such a position as to surround the tube B and occupy a position midway between B and the outer casing, A, as shown in Fig. l. This tube C is secured to the interior ot' case A by means of a spiral iiange, a, which winds around C from top to bottom, and thereby forming a spiral passage or tlue between the case A and tube C, the latter being elevated somewhat above the inner tube, B, so as to leave an open space or passage between them, as shown clearly in the drawings. At the upper end of the tube C is located a valve or damper, E, as shown in Fig. l.

The apparatus thus constructed is attached to the top ot' the stove or to the pipe at any desired point, so that the smoke and heat which pass from the stove will enter at its lower end and emerge at its upper end. NVhen it is desired to have a stron g draft for kindling the iire or when it is not desired to retain the heat in the room the damper will be turned so as to permit the draft to pass directl y through, as indicated by the red arrows; but when it is desired to retain the hem the damper will be so turned as to close the top ot' tube O, in which casel the current otl smoke and heat will pass up through tube B, thence down the passage between B and tube C, and afterward passing under the lower end otl tube C, and from thence will ascend the spiral tlue formed by the spiral diaphragm a between the tube C and the outer casing, A, it thus heilig' made to ,travel a long distance in passing through the radiator, whereby a large amount of the heat will be radiated in the room instead ot" passing oft' out of the chimney, as it usually does where no radiator is used.

lt is obvious that, instead ot' making it round, as shown in the drawings, the radiator may be made square or octagonal, or, indeed, ot' any desired form to suit the fancy or to adapt it to thc particular position it is intended to occupy.

Having thus tullydescribed my invention, what I claim isrlhe radiator A, having the internal tubes, B and C, spiral diaphragm a', and damper E, all arranged and operatin g substantially as herein shown and described.

THEODORE R. COOK.4

Witnesses:

E. H. PETERS, FITCH LOTTRIDGE. 

